T Raz, Amorim, MD, Stover, BC, and Card, CE. 2010. ?Ovulation, Pregnancy Rate And Early Embryonic Development In Vernal Transitional Mares Treated With Equine- Or Porcine-Fsh?. Reprod Domest Anim, 45, 2, Pp. 287-94. doi:10.1111/j.1439-0531.2008.01296.x.